Long posterior ciliary arteries

Long posterior ciliary arteries

The arteries of the choroid and iris. The greater part of the sclera has been removed.

Iris, front view.
Details
Source ophthalmic artery
Supplies iris
ciliary body
choroid
Identifiers
Latin Arteriae ciliares posteriores longae
Dorlands
/Elsevier		 a_61/12153876
TA A12.2.06.032
FMA 70778

Anatomical terminology

The long posterior ciliary arteries are arteries of the head arising, together with the other ciliary arteries, from the ophthalmic artery. There are two in each eye.

Course

They pierce the posterior part of the sclera at some little distance from the optic nerve, and run forward, along either side of the eyeball, between the sclera and choroid, to the ciliary muscle, where they divide into two branches.

These form an arterial circle, the circulus arteriosus major, around the circumference of the iris, from which numerous converging branches run, in the substance of the iris, to its pupillary margin, where they form a second (incomplete) arterial circle, the circulus arteriosus minor.

Target

The long posterior ciliary arteries supply the iris, ciliary body and choroid.

See also

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

This article is issued from Wikipedia - version of the Tuesday, June 09, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.